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3 years ago

9

15. Use the unit circle to find the value of sin 3x/2 and cos 3x/2

1 answer:

My name is Ann [436]3 years ago

5 0

Answer:

3xpi/2 is 270 degree counter-clockwise from Ox

That time P(x,y) is (0,-1)

=> x= 0 and y = -1 as you can see in picture.

=> Cos 3pi/2 = x = 0

=> Sin 3pi/2 = y = -1

Step-by-step explanation:

Not so slow.

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